Select your answer:
Topics:
Neurological Disorders Histology - Tissues Nutrition Vision (AP Psych) Hematology & Blood Banking General Anatomy Muscles and Healthy Body Specialties: Neurological and Geriatric Neuroanatomy of CNS Muscularskeletal System Cells & Body Systems Communicable Disease RDA Dental Caries Hemodynamics BiotechnologyOther quiz:
Endocrine System › ViewProduced by a wide variety of tissues and secreted into the extracellular fluid; has a localized effect on other tissues.
A. Autocrine
B. Paracrine
C. Neurotransmitter
D. Endocrine
Eye Physiology › View
It lets light enter the eye
A. iris
B. retina
C. pupil